main.m

// Source: https://devforums.apple.com/message/866487#866487

typedef int (*PYStdWriter)(void *, const char *, int);

static PYStdWriter _oldStdWrite;

int __pyStderrWrite(void *inFD, const char *buffer, int size)
{
    if ( strncmp(buffer, "AssertMacros: queueEntry", 24) == 0 ) {
        return 0;
    }
    return _oldStdWrite(inFD, buffer, size);
}

void __iOS7B5CleanConsoleOutput(void)
{
    _oldStdWrite = stderr->_write;
    stderr->_write = __pyStderrWrite;
}

int main(int argc, char *argv[])
{
    @autoreleasepool {
        __iOS7B5CleanConsoleOutput();
        return UIApplicationMain(argc, argv, nil, NSStringFromClass([DBAppDelegate class]));
    }
}

I was getting warnings for “no previous prototype for function” and had to define function prototypes at the top of the class. I added this after line 3:

int __pyStderrWrite(void *inFD, const char *buffer, int size);
void __iOS7B5CleanConsoleOutput(void);

Very cool, thanks!